mirror of https://github.com/webpack/webpack.git
518 lines
14 KiB
JavaScript
518 lines
14 KiB
JavaScript
/* globals describe, it */
|
|
"use strict";
|
|
|
|
const path = require("path");
|
|
|
|
const webpack = require("../");
|
|
const WebpackOptionsDefaulter = require("../lib/WebpackOptionsDefaulter");
|
|
const MemoryFs = require("memory-fs");
|
|
|
|
describe("Compiler", () => {
|
|
jest.setTimeout(20000);
|
|
function compile(entry, options, callback) {
|
|
const noOutputPath = !options.output || !options.output.path;
|
|
if (!options.mode) options.mode = "production";
|
|
options = new WebpackOptionsDefaulter().process(options);
|
|
options.entry = entry;
|
|
options.context = path.join(__dirname, "fixtures");
|
|
if (noOutputPath) options.output.path = "/";
|
|
options.output.pathinfo = true;
|
|
options.optimization = {
|
|
minimize: false
|
|
};
|
|
const logs = {
|
|
mkdirp: [],
|
|
writeFile: []
|
|
};
|
|
|
|
const c = webpack(options);
|
|
const files = {};
|
|
c.outputFileSystem = {
|
|
join() {
|
|
return [].join.call(arguments, "/").replace(/\/+/g, "/");
|
|
},
|
|
mkdirp(path, callback) {
|
|
logs.mkdirp.push(path);
|
|
callback();
|
|
},
|
|
writeFile(name, content, callback) {
|
|
logs.writeFile.push(name, content);
|
|
files[name] = content.toString("utf-8");
|
|
callback();
|
|
}
|
|
};
|
|
c.hooks.compilation.tap(
|
|
"CompilerTest",
|
|
compilation => (compilation.bail = true)
|
|
);
|
|
c.run((err, stats) => {
|
|
if (err) throw err;
|
|
expect(typeof stats).toBe("object");
|
|
const compilation = stats.compilation;
|
|
stats = stats.toJson({
|
|
modules: true,
|
|
reasons: true
|
|
});
|
|
expect(typeof stats).toBe("object");
|
|
expect(stats).toHaveProperty("errors");
|
|
expect(Array.isArray(stats.errors)).toBe(true);
|
|
if (stats.errors.length > 0) {
|
|
expect(stats.errors[0]).toBeInstanceOf(Error);
|
|
throw stats.errors[0];
|
|
}
|
|
stats.logs = logs;
|
|
callback(stats, files, compilation);
|
|
});
|
|
}
|
|
|
|
it("should compile a single file to deep output", done => {
|
|
compile(
|
|
"./c",
|
|
{
|
|
output: {
|
|
path: "/what",
|
|
filename: "the/hell.js"
|
|
}
|
|
},
|
|
(stats, files) => {
|
|
expect(stats.logs.mkdirp).toEqual(["/what", "/what/the"]);
|
|
done();
|
|
}
|
|
);
|
|
});
|
|
|
|
it("should compile a single file", done => {
|
|
compile("./c", {}, (stats, files) => {
|
|
expect(Object.keys(files)).toEqual(["/main.js"]);
|
|
const bundle = files["/main.js"];
|
|
expect(bundle).toMatch("function __webpack_require__(");
|
|
expect(bundle).toMatch(/__webpack_require__\(\/\*! \.\/a \*\/ \d\);/);
|
|
expect(bundle).toMatch("./c.js");
|
|
expect(bundle).toMatch("./a.js");
|
|
expect(bundle).toMatch("This is a");
|
|
expect(bundle).toMatch("This is c");
|
|
expect(bundle).not.toMatch("2: function(");
|
|
expect(bundle).not.toMatch("window");
|
|
expect(bundle).not.toMatch("jsonp");
|
|
expect(bundle).not.toMatch("fixtures");
|
|
done();
|
|
});
|
|
});
|
|
|
|
it("should compile a complex file", done => {
|
|
compile("./main1", {}, (stats, files) => {
|
|
expect(Object.keys(files)).toEqual(["/main.js"]);
|
|
const bundle = files["/main.js"];
|
|
expect(bundle).toMatch("function __webpack_require__(");
|
|
expect(bundle).toMatch("__webpack_require__(/*! ./a */");
|
|
expect(bundle).toMatch("./main1.js");
|
|
expect(bundle).toMatch("./a.js");
|
|
expect(bundle).toMatch("./b.js");
|
|
expect(bundle).toMatch("./node_modules/m1/a.js");
|
|
expect(bundle).toMatch("This is a");
|
|
expect(bundle).toMatch("This is b");
|
|
expect(bundle).toMatch("This is m1/a");
|
|
expect(bundle).not.toMatch("4: function(");
|
|
expect(bundle).not.toMatch("window");
|
|
expect(bundle).not.toMatch("jsonp");
|
|
expect(bundle).not.toMatch("fixtures");
|
|
done();
|
|
});
|
|
});
|
|
|
|
it("should compile a file with transitive dependencies", done => {
|
|
compile("./abc", {}, (stats, files) => {
|
|
expect(Object.keys(files)).toEqual(["/main.js"]);
|
|
const bundle = files["/main.js"];
|
|
expect(bundle).toMatch("function __webpack_require__(");
|
|
expect(bundle).toMatch("__webpack_require__(/*! ./a */");
|
|
expect(bundle).toMatch("__webpack_require__(/*! ./b */");
|
|
expect(bundle).toMatch("__webpack_require__(/*! ./c */");
|
|
expect(bundle).toMatch("./abc.js");
|
|
expect(bundle).toMatch("./a.js");
|
|
expect(bundle).toMatch("./b.js");
|
|
expect(bundle).toMatch("./c.js");
|
|
expect(bundle).toMatch("This is a");
|
|
expect(bundle).toMatch("This is b");
|
|
expect(bundle).toMatch("This is c");
|
|
expect(bundle).not.toMatch("4: function(");
|
|
expect(bundle).not.toMatch("window");
|
|
expect(bundle).not.toMatch("jsonp");
|
|
expect(bundle).not.toMatch("fixtures");
|
|
done();
|
|
});
|
|
});
|
|
|
|
it("should compile a file with multiple chunks", done => {
|
|
compile("./chunks", {}, (stats, files) => {
|
|
expect(stats.chunks).toHaveLength(2);
|
|
expect(Object.keys(files)).toEqual(["/main.js", "/1.js"]);
|
|
const bundle = files["/main.js"];
|
|
const chunk = files["/1.js"];
|
|
expect(bundle).toMatch("function __webpack_require__(");
|
|
expect(bundle).toMatch("__webpack_require__(/*! ./b */");
|
|
expect(chunk).not.toMatch("__webpack_require__(/* ./b */");
|
|
expect(bundle).toMatch("./chunks.js");
|
|
expect(chunk).toMatch("./a.js");
|
|
expect(chunk).toMatch("./b.js");
|
|
expect(chunk).toMatch("This is a");
|
|
expect(bundle).not.toMatch("This is a");
|
|
expect(chunk).toMatch("This is b");
|
|
expect(bundle).not.toMatch("This is b");
|
|
expect(bundle).not.toMatch("4: function(");
|
|
expect(bundle).not.toMatch("fixtures");
|
|
expect(chunk).not.toMatch("fixtures");
|
|
expect(bundle).toMatch("webpackJsonp");
|
|
expect(chunk).toMatch('window["webpackJsonp"] || []).push');
|
|
done();
|
|
});
|
|
});
|
|
describe("methods", () => {
|
|
let compiler;
|
|
beforeEach(() => {
|
|
compiler = webpack({
|
|
entry: "./c",
|
|
context: path.join(__dirname, "fixtures"),
|
|
output: {
|
|
path: "/",
|
|
pathinfo: true
|
|
}
|
|
});
|
|
});
|
|
describe("purgeInputFileSystem", () => {
|
|
it("invokes purge() if inputFileSystem.purge", done => {
|
|
const mockPurge = jest.fn();
|
|
compiler.inputFileSystem = {
|
|
purge: mockPurge
|
|
};
|
|
compiler.purgeInputFileSystem();
|
|
expect(mockPurge.mock.calls.length).toBe(1);
|
|
done();
|
|
});
|
|
it("does NOT invoke purge() if !inputFileSystem.purge", done => {
|
|
const mockPurge = jest.fn();
|
|
compiler.inputFileSystem = null;
|
|
compiler.purgeInputFileSystem();
|
|
expect(mockPurge.mock.calls.length).toBe(0);
|
|
done();
|
|
});
|
|
});
|
|
describe("isChild", () => {
|
|
it("returns booleanized this.parentCompilation", done => {
|
|
compiler.parentCompilation = "stringyStringString";
|
|
const response1 = compiler.isChild();
|
|
expect(response1).toBe(true);
|
|
|
|
compiler.parentCompilation = 123456789;
|
|
const response2 = compiler.isChild();
|
|
expect(response2).toBe(true);
|
|
|
|
compiler.parentCompilation = {
|
|
what: "I belong to an object"
|
|
};
|
|
const response3 = compiler.isChild();
|
|
expect(response3).toBe(true);
|
|
|
|
compiler.parentCompilation = ["Array", 123, true, null, [], () => {}];
|
|
const response4 = compiler.isChild();
|
|
expect(response4).toBe(true);
|
|
|
|
compiler.parentCompilation = false;
|
|
const response5 = compiler.isChild();
|
|
expect(response5).toBe(false);
|
|
|
|
compiler.parentCompilation = 0;
|
|
const response6 = compiler.isChild();
|
|
expect(response6).toBe(false);
|
|
|
|
compiler.parentCompilation = null;
|
|
const response7 = compiler.isChild();
|
|
expect(response7).toBe(false);
|
|
|
|
compiler.parentCompilation = "";
|
|
const response8 = compiler.isChild();
|
|
expect(response8).toBe(false);
|
|
|
|
compiler.parentCompilation = NaN;
|
|
const response9 = compiler.isChild();
|
|
expect(response9).toBe(false);
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
it("should not emit on errors", done => {
|
|
const compiler = webpack({
|
|
context: __dirname,
|
|
mode: "production",
|
|
entry: "./missing",
|
|
output: {
|
|
path: "/",
|
|
filename: "bundle.js"
|
|
}
|
|
});
|
|
compiler.outputFileSystem = new MemoryFs();
|
|
compiler.run((err, stats) => {
|
|
if (err) return done(err);
|
|
if (compiler.outputFileSystem.existsSync("/bundle.js"))
|
|
return done(new Error("Bundle should not be created on error"));
|
|
done();
|
|
});
|
|
});
|
|
it("should not emit on errors (watch)", done => {
|
|
const compiler = webpack({
|
|
context: __dirname,
|
|
mode: "production",
|
|
entry: "./missing",
|
|
output: {
|
|
path: "/",
|
|
filename: "bundle.js"
|
|
}
|
|
});
|
|
compiler.outputFileSystem = new MemoryFs();
|
|
const watching = compiler.watch({}, (err, stats) => {
|
|
watching.close();
|
|
if (err) return done(err);
|
|
if (compiler.outputFileSystem.existsSync("/bundle.js"))
|
|
return done(new Error("Bundle should not be created on error"));
|
|
done();
|
|
});
|
|
});
|
|
it("should not be run twice at a time (run)", function(done) {
|
|
const compiler = webpack({
|
|
context: __dirname,
|
|
mode: "production",
|
|
entry: "./c",
|
|
output: {
|
|
path: "/",
|
|
filename: "bundle.js"
|
|
}
|
|
});
|
|
compiler.outputFileSystem = new MemoryFs();
|
|
compiler.run((err, stats) => {
|
|
if (err) return done(err);
|
|
});
|
|
compiler.run((err, stats) => {
|
|
if (err) return done();
|
|
});
|
|
});
|
|
it("should not be run twice at a time (watch)", function(done) {
|
|
const compiler = webpack({
|
|
context: __dirname,
|
|
mode: "production",
|
|
entry: "./c",
|
|
output: {
|
|
path: "/",
|
|
filename: "bundle.js"
|
|
}
|
|
});
|
|
compiler.outputFileSystem = new MemoryFs();
|
|
compiler.watch({}, (err, stats) => {
|
|
if (err) return done(err);
|
|
});
|
|
compiler.watch({}, (err, stats) => {
|
|
if (err) return done();
|
|
});
|
|
});
|
|
it("should not be run twice at a time (run - watch)", function(done) {
|
|
const compiler = webpack({
|
|
context: __dirname,
|
|
mode: "production",
|
|
entry: "./c",
|
|
output: {
|
|
path: "/",
|
|
filename: "bundle.js"
|
|
}
|
|
});
|
|
compiler.outputFileSystem = new MemoryFs();
|
|
compiler.run((err, stats) => {
|
|
if (err) return done(err);
|
|
});
|
|
compiler.watch({}, (err, stats) => {
|
|
if (err) return done();
|
|
});
|
|
});
|
|
it("should not be run twice at a time (watch - run)", function(done) {
|
|
const compiler = webpack({
|
|
context: __dirname,
|
|
mode: "production",
|
|
entry: "./c",
|
|
output: {
|
|
path: "/",
|
|
filename: "bundle.js"
|
|
}
|
|
});
|
|
compiler.outputFileSystem = new MemoryFs();
|
|
compiler.watch({}, (err, stats) => {
|
|
if (err) return done(err);
|
|
});
|
|
compiler.run((err, stats) => {
|
|
if (err) return done();
|
|
});
|
|
});
|
|
it("should not be run twice at a time (instance cb)", function(done) {
|
|
const compiler = webpack(
|
|
{
|
|
context: __dirname,
|
|
mode: "production",
|
|
entry: "./c",
|
|
output: {
|
|
path: "/",
|
|
filename: "bundle.js"
|
|
}
|
|
},
|
|
() => {}
|
|
);
|
|
compiler.outputFileSystem = new MemoryFs();
|
|
compiler.run((err, stats) => {
|
|
if (err) return done();
|
|
});
|
|
});
|
|
it("should run again correctly after first compilation", function(done) {
|
|
const compiler = webpack({
|
|
context: __dirname,
|
|
mode: "production",
|
|
entry: "./c",
|
|
output: {
|
|
path: "/",
|
|
filename: "bundle.js"
|
|
}
|
|
});
|
|
compiler.outputFileSystem = new MemoryFs();
|
|
compiler.run((err, stats) => {
|
|
if (err) return done(err);
|
|
|
|
compiler.run((err, stats) => {
|
|
if (err) return done(err);
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
it("should watch again correctly after first compilation", function(done) {
|
|
const compiler = webpack({
|
|
context: __dirname,
|
|
mode: "production",
|
|
entry: "./c",
|
|
output: {
|
|
path: "/",
|
|
filename: "bundle.js"
|
|
}
|
|
});
|
|
compiler.outputFileSystem = new MemoryFs();
|
|
compiler.run((err, stats) => {
|
|
if (err) return done(err);
|
|
|
|
compiler.watch({}, (err, stats) => {
|
|
if (err) return done(err);
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
it("should run again correctly after first closed watch", function(done) {
|
|
const compiler = webpack({
|
|
context: __dirname,
|
|
mode: "production",
|
|
entry: "./c",
|
|
output: {
|
|
path: "/",
|
|
filename: "bundle.js"
|
|
}
|
|
});
|
|
compiler.outputFileSystem = new MemoryFs();
|
|
const watching = compiler.watch({}, (err, stats) => {
|
|
if (err) return done(err);
|
|
});
|
|
watching.close(() => {
|
|
compiler.run((err, stats) => {
|
|
if (err) return done(err);
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
it("should watch again correctly after first closed watch", function(done) {
|
|
const compiler = webpack({
|
|
context: __dirname,
|
|
mode: "production",
|
|
entry: "./c",
|
|
output: {
|
|
path: "/",
|
|
filename: "bundle.js"
|
|
}
|
|
});
|
|
compiler.outputFileSystem = new MemoryFs();
|
|
const watching = compiler.watch({}, (err, stats) => {
|
|
if (err) return done(err);
|
|
});
|
|
watching.close(() => {
|
|
compiler.watch({}, (err, stats) => {
|
|
if (err) return done(err);
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
it("should flag watchMode as true in watch", function(done) {
|
|
const compiler = webpack({
|
|
context: __dirname,
|
|
mode: "production",
|
|
entry: "./c",
|
|
output: {
|
|
path: "/",
|
|
filename: "bundle.js"
|
|
}
|
|
});
|
|
|
|
compiler.outputFileSystem = new MemoryFs();
|
|
|
|
const watch = compiler.watch({}, err => {
|
|
if (err) return done(err);
|
|
expect(compiler.watchMode).toBeTruthy();
|
|
watch.close(() => {
|
|
expect(compiler.watchMode).toBeFalsy();
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
it("should use cache on second run call", function(done) {
|
|
const compiler = webpack({
|
|
context: __dirname,
|
|
mode: "development",
|
|
devtool: false,
|
|
entry: "./fixtures/count-loader!./fixtures/count-loader",
|
|
output: {
|
|
path: "/"
|
|
}
|
|
});
|
|
compiler.outputFileSystem = new MemoryFs();
|
|
compiler.run(() => {
|
|
compiler.run(() => {
|
|
const result = compiler.outputFileSystem.readFileSync(
|
|
"/main.js",
|
|
"utf-8"
|
|
);
|
|
expect(result).toContain("module.exports = 0;");
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
it("should call the failed-hook on error", done => {
|
|
const failedSpy = jest.fn();
|
|
const compiler = webpack({
|
|
bail: true,
|
|
context: __dirname,
|
|
mode: "production",
|
|
entry: "./missing",
|
|
output: {
|
|
path: "/",
|
|
filename: "bundle.js"
|
|
}
|
|
});
|
|
compiler.hooks.failed.tap("CompilerTest", failedSpy);
|
|
compiler.outputFileSystem = new MemoryFs();
|
|
compiler.run((err, stats) => {
|
|
expect(err).toBeTruthy();
|
|
expect(failedSpy).toHaveBeenCalledTimes(1);
|
|
expect(failedSpy).toHaveBeenCalledWith(err);
|
|
done();
|
|
});
|
|
});
|
|
});
|